The puppies, which are pit bull mixes about 8 to 10 months old, are alive but have skin conditions and signs of neglect, said Hillsborough County Animal Services spokeswoman Michelle Van Dyke.

"It's apparent they have been neglected for some time now before last night's incident," she said.

Hillsborough County Sheriff's Office Maj. Clyde Eisenberg said authorities arrested Spigner after determining her full tag number through a partial one provided by a witness who saw the incident along U.S. 301.

As of Friday afternoon, Spigner remained held in the Orient Road Jail on $10,000 bail.